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Title: Development and characterization of liquid argon and methane microjets for high-rep-rate laser-plasma experiments

Abstract

A cryogenic microjet system has been used here for delivering micron-scale continuous liquid hydrogen targets for laser-plasma experiments. This technique has been extended to higher-Z, higher boiling-point gases, including argon and methane. High-resolution shadowgraphy has been used to characterize the jet’s morphology and pointing stability. A split and delay illumination source has also been developed for direct measurement of jet speeds without relying on assumptions of fluid flow conditions. Under typical conditions, the argon jets freeze solid due to evaporative cooling, but the methane jets remain liquid and break up to a droplet stream. A piezo driver is used to ensure the droplets are of uniform size. This jet has enabled the investigation of methane in planetary core conditions with high-rep-rate laser heating and x-ray laser probing.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); National Science Foundation (NSF)
OSTI Identifier:
1490448
Alternate Identifier(s):
OSTI ID: 1464860
Grant/Contract Number:  
AC02-76SF00515; PHY-1632708
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 10; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; optical fibers; fluid flows; plasmas; frequency measurement; laser applications; fluid jets; optical imaging; gas giants

Citation Formats

Kim, Jongjin B., Schoenwaelder, Christopher, and Glenzer, Siegfried H. Development and characterization of liquid argon and methane microjets for high-rep-rate laser-plasma experiments. United States: N. p., 2018. Web. doi:10.1063/1.5038561.
Kim, Jongjin B., Schoenwaelder, Christopher, & Glenzer, Siegfried H. Development and characterization of liquid argon and methane microjets for high-rep-rate laser-plasma experiments. United States. https://doi.org/10.1063/1.5038561
Kim, Jongjin B., Schoenwaelder, Christopher, and Glenzer, Siegfried H. Thu . "Development and characterization of liquid argon and methane microjets for high-rep-rate laser-plasma experiments". United States. https://doi.org/10.1063/1.5038561. https://www.osti.gov/servlets/purl/1490448.
@article{osti_1490448,
title = {Development and characterization of liquid argon and methane microjets for high-rep-rate laser-plasma experiments},
author = {Kim, Jongjin B. and Schoenwaelder, Christopher and Glenzer, Siegfried H.},
abstractNote = {A cryogenic microjet system has been used here for delivering micron-scale continuous liquid hydrogen targets for laser-plasma experiments. This technique has been extended to higher-Z, higher boiling-point gases, including argon and methane. High-resolution shadowgraphy has been used to characterize the jet’s morphology and pointing stability. A split and delay illumination source has also been developed for direct measurement of jet speeds without relying on assumptions of fluid flow conditions. Under typical conditions, the argon jets freeze solid due to evaporative cooling, but the methane jets remain liquid and break up to a droplet stream. A piezo driver is used to ensure the droplets are of uniform size. This jet has enabled the investigation of methane in planetary core conditions with high-rep-rate laser heating and x-ray laser probing.},
doi = {10.1063/1.5038561},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {Thu Aug 16 00:00:00 EDT 2018},
month = {Thu Aug 16 00:00:00 EDT 2018}
}

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Free Publicly Available Full Text
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Cited by: 6 works
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